Beverage mixing device



Jan. 28, 1936. HELMES 2,029,234

BEVERAGE MIXING DEVICE Filed April 6, 1934 2 SheetsSheet l Y V i llllul A'ITORNEY g Patented Jan. 28, 1936 UNITED STATES PATENT OFFICE 2 Claims.

This invention relates. to mechanical mixing devices particularly adapted for the blending or mixing of beverages with vehement agitation as is desirable in the mixing of solid, dissolvable substances such as ices in alcoholic drinks or the mixing of malted milk and flavoring powders in milk shakes and like beverages.

An important feature of my improved device consists in the provision of resilient or spring supporting means for the container or containers adapted upon displacement from normal or rest position and release to effect a rapid up and j down movement of the container under the resiling or rebound action of the springs and the provision of a cam or like acting means for intermittently displacing the supporting means to energize the springs for continued repetition of the rebounding'or agitating movement of the containers thus to produce a vehement shaking of the containers and contents.

' A further feature of the present improvements consists of means for varying the rapidity of the action of the cam, means for controlling the degree of agitating of the liquids as may be desired. The foregoing and other important features and advantages of my present invention will be more fully understood by reference to the accompanying drawings wherein like reference characters are applied to the corresponding parts in the several views.

In the drawings:

Figure 1 is a view in side elevation of my improved agitating device withthe containers in assembled relation thereto.

Fig. 2 is a view similar with portions shown .in central vertical section.

Fig. 3 is a central vertical sectional view, taken at right angles to that of Fig. 2.

Fig. 4 is a horizontal sectional view, taken on line 4-4 of Fig. 2.

Fig. 5 is a detailed vertical sectional view of the upper adjustable holding device.

Fig. 6 is a central vertical sectional View showing a desirable modification for manual operation.

Fig. 7 is a view in side elevation taken at right angles to Fig. 6.

Fig. 8 is a horizontal sectional view on line 88 of Fig. 7 and Fig. 9 is a detailed view in elevation of the cam mechanism.

In the approved embodiment of the features of my invention as shown in Figs. 1 to 9 the device comprises a unitary standard or base structure in which the drive or operating mechanism is located, a support resiliently mounted to hold the lower container and carrying an adjustable folder or fastener for the upper container member. The standard or base is shown at l and 5 has integral therewith oppositely positioned bearing flanges 2 and 3 provided with a lower bearing 4 for the shaft 5 of an electric drive motor M and with upper bearings 3 and l for a cam shaft 8 coupled to be driven by the motor through the. 10 meshing pinions 9 and I0 mounted upon the shafts 5 and 8 respectively. Central of the shaft 8 it is formed with a cam l2. Symmetrically disposed about the central vertical axis of the device, a standard is provided with four fixed vertical guide sleeves i i to receive a telescoping arrangement co-acting guide studs I5, mounted upon the under side of a movable support or carrier I6 for the liquid container. The carrier I6 is resiliently supported upon coil springs,

' l8, positioned to surround the sleeves M and studs [5 and connected at their upper ends to the carrier [6 and at their lower 'ends to the provided with an upwardly extending annular flange member 22 having fitted to an internal groove therein a rubber gasket 23 for the reception of the lower container 24 for the liquid with which cooperates the inverted upper container 25 received partially within the lower container and which is held in position by an adjustable holding element 21 provided with a rubber cushion 28 engaging the end wall or bottom of the upper container as shown and having a bracket 30 slidably fitted upon a rack guide member 3| formed integral with or afiixed to the carrier member l6 and flange 22 thereof. The right member 3| is, as shown, provided with the spaced teeth 32 engaged by a rockable detent or latch 33 pivoted at 34 in the bracket 30 and normally held in engaging position by spring 35. Suitable housing 36 is provided upon the standard to encase the operating motor and the carrier member l6 has affixed thereto and cylindrical covered plate 38 having telescoping relation to the central portion of the standard to enclose the operating parts as shown.

In the operation of my improved device, as will be readily understood, the receptacles 24 resiliency to affect the reciprocationof the'ifar "engagement and the adjustm offtl re rh "st and in their inverted nesting relation, will form a close container for the liquid and other ingredients to be dissolved therein by agitation, the containers being placed upon the supporting member or carrier l6 in the position as shown where they are securely clamped by means of the rier IS with a relatively violent or yehe ent rebound action. The form ofthecain, asWillb noted, is such as to allow of the free; resilient action of the springs immediately after the roller at covering the motor speed will"determiiie'the"degree of agitation as may bedesired.

In Figs. 6 to 9 I have shown a desirable, modified'construction of my improved mixing device which, asjshown, comprises an angular supporting 'base member 40, having an upright bearing bracket 4| having a cam shaft bearing 42 toreceive the shaft 43, having on its innermost end 'an actuating cam 44 and on its outer extremity an operating lever 45. The standard is likewise provided with upper and lower guide studs 45 and, slidably fitted within vertical guideways or grooves 48 and 49 of a vertical, movable carrier frame or container supporting member 50, in-

tegrally formed at its lower portion with an annulus 52 carrying the cushioning ring 53 for the reception of the lower receptacle or container 55. An, upper extension of the carrier is, as shown, formed as a rack 56 upon which is slidably fitted 'a bracket 58 of the upper holder 59, retained in its position by the spring latch det'ent '50 in similar arrangement tothat disclosed in {connection with the structure first described and "operating to hold the upper container or receptacle member 62 in assembled position;

The carrier member ,50 at its lower portion is provided with a stud B3 to which is adjustably secured ajcoil spring 64 connected at its upper end to the base member as shown.

For actuating the carrier member2 to effect ajreciprocating movement thereof under the free action of the spring, the carrier member is f orr'ned with an enlarged opening '66 for the reception of the cam 44 and the latter, as best shown in Fig. 9 is keyed upon the shaft 43 with a circumferentially enlarged keyway 68 which, in conjunction with the formation of the cam as shown, will operate to effect displacement of the car- 5 rier from normal rest position and a quick acting release thereof upon the cam passing center as will be readily understood.

Accordingly in operation upon rotation of the energize the spring 64 by displacirientof the carrier from normal rest position with quick acting (release thereof, allowing the spring to act freely tqimpart a relatively violent reciprocating motlontotlie'containers in the manner well under- 15 stood. is

While I have shown apparent embodiments of the'featiires "ofmy invention, it will be understood that various modifications maybe made within, without departing from the invention as 20 defined ifijtl ie appended elairiis.

Having described my invention, I claim:

1.,A mixing device of the character described, comprising a base member having a vertical bracket, guide studs on the bracket, a container 2 carrier member formed with guideway slots fitted to the studs, anoperating shaft journalled in the bracket, an actuating cam rotatively keyed on the shaftwith an elongated slot allowing of limited free movement and positioned to engage the car-" 30 rier, spring supporting means for the carrier connected to the carrier and bracket respectively, a container holderon the carrier adapted to receive a lower receptacle, a vertical rack on the carrier, an upper holder adjustably fitted to'the"'35 rack for engagement with an upper'receptacle and a lever 'on'the operating shaft for manual rotation thereof. v v

2. 'A mixing device of the character described, comprising a base member having a verticaFiO bracket-guidestrids on the bracket, a container carrier. member formed with guideway 'slotsifitted to the studs, an operating shaft joumalled in the bracket, an actuating cam rotatively keyed on the shaft with an elongated slot allowing of limited ifi free movement and positioned to engage the carrier, spring supporting means for the carrier connectedto the carrier and bracket respectively, a container holder onthe carrier adapted to receive a lower receptacle, a vertical rack on the 'carrier,"50 an upper holder adjustably fitted to the rack for engagement with an upper receptacle and'means for rotatingthe operating shaft. I

MAXIMILIAN J .HELMES. 

